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Diseases of the genitourinary system (N00-N99)
›
Urolithiasis (N20-N23)
›
Calculus of lower urinary tract
›
N21.1
N21.1
✓ Billable
Calculus in urethra
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⚠
Excludes 2
(Not included here)
•
calculus of prostate (N42.0)
Code Hierarchy
┌
14
Diseases of the genitourinary system (N00-N99)
├
N20-N23
Urolithiasis (N20-N23)
├
N21
Calculus of lower urinary tract
└
N21.1
Calculus in urethra
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